phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('be10972245aaa3f38f9a2ecc8fc3aabd', -1, 1714202812, 1714202812, '0d3af4d8', -11, 0)

Line : 158
File : sessions.php